active f a X X mark f X b b active b mark a mark f X1 X2 X3 active f X1 mark X2 X3 mark a active a mark b active b f mark X1 X2 X3 f X1 X2 X3 f X1 mark X2 X3 f X1 X2 X3 f X1 X2 mark X3 f X1 X2 X3 f active X1 X2 X3 f X1 X2 X3 f X1 active X2 X3 f X1 X2 X3 f X1 X2 active X3 f X1 X2 X3 active 1 f 3 a 0 mark 1 b 0 INNERMOST ./TRS/TRCSR/inn/Ex9_Luc06_iGM.trs